These NEW Top Secret Envelopes are manilla with adhesive flap closures. Keep prying eyes from your sensitive documents. Secure documents from others and keep them organized and safe. These are great for professional use, but they have also been used as gags and pranks. We've even seen them used in several movies! Small envelopes measure 6'' X 9'' and Large envelopes measure 9'' X 12''. Order yours today!